Home / 483,025.60-724,538.40-404,876.80

Finding the Fourth Proportional to 483,025.60, 724,538.40 and 404,876.80

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Solution

The fourth proportional to 483,025.60, 724,538.40 and 404,876.80 is: 607,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,025.60 : 724,538.40 = 404,876.80 : x
  2. Step 2: Convert to fraction form
    483,025.60/724,538.40 = 404,876.80/x
  3. Step 3: Cross multiply
    483,025.60x = 724,538.40 × 404,876.80
  4. Step 4: Simplify right side
    483,025.60x = 293,348,788,869.12
  5. Step 5: Solve for x
    x = 293,348,788,869.12/483,025.60
  6. Step 6: Final answer
    x = 607,315.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.